“positive drive lift”的概念、定义、翻译、参考文献-科学参考

单词	positive drive lift
释义	positive drive lift Encyclopedia 工学电梯释 positive drive lift强制驱动电梯用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型，已很少应用，仅在杂物电梯等中使用。不能使用对重，可使用平衡重。
随便看	foundations of mathematics Foundations of Set Theory Foundations of Social Theory Foundations of the Entire Science of Knowledge foundations of the learning sciences foundations of visualization foundation stability foundation surface for filling structure foundation treatment of hydro project foundation treatment technique foundation vibration foundation work of the public security and order Founder founder cell founder effect founding Founding Ceremony Founding Ceremony of the People’s Republic of China founding principles of television stations foundling hospital foundry foundry coke foundry equipment foundry sand fountain

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